http://www.cnblogs.com/alwaysyouare/archive/2011/11/17/2252397.html
http://blog.csdn.net/cquwentao/article/details/27419217
http://www.2cto.com/kf/201312/261463.html
http://blog.csdn.net/qq_27280457/article/details/51861016
http://blog.csdn.net/xiaowanggedege/article/details/17048913
http://blog.csdn.net/qq_27280457/article/details/51861016（借鉴）
http://blog.csdn.net/hiphopxiao/article/details/52575540
http://blog.csdn.net/rankun1/article/details/51347727
http://blog.csdn.net/fengzhengfang/article/details/12029351
http://blog.chinaunix.net/uid-26944558-id-3196878.html（借鉴）
http://blog.csdn.net/juelingfeng/article/details/41244241
http://www.2cto.com/kf/201607/523835.html
http://blog.csdn.net/hiphopxiao/article/details/52575540
http://blog.csdn.net/llyj666666/article/details/44454879